Word: often
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Dates: during 1990-1999
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...borders; winners get the right to draw new lines. After World War I, as the Great Powers meted out geographical punishments and rewards, Woodrow Wilson advocated two principles that have governed statemaking ever since: the right to self-determination and the right to inviolable national borders. Unfortunately, they are often in conflict...
...females of our closest primate relatives, the chimpanzees and the bonobos, are not exactly paragons of sexual probity. A recent DNA study of chimp behavior in the Tai forest of Africa's Ivory Coast showed that despite the bullying of local males, the wily females were sneaking off so often that half their offspring turn out to be fathered by outsiders. Of bonobos, perhaps the less said the better, at least in a family magazine. These "pygmy chimps," as they are also known, share 98% of our genes and a tendency to what Freud termed "polymorphous perversity." They will have...
...accrue wealth and power as they age, it's a bit odd, as zoologist Desmond Morris once noted, that baldness doesn't necessarily activate the female swoon response. It may be smart for women to go for the billionaires and tribal big shots, but in practice their choices are often politically and economically irrational, if not self-destructive. Helen dumped a perfectly good warrior-king for the cute but feckless Paris. Juliet fell for a scion of the enemy clan. In rock-'n'-roll tradition and movies from The Wild One to Shakespeare in Love, it's the penniless...
Medical science is learning that sex does make a difference. Men's and women's bodies each have their own health problems, react differently to drugs and often require different treatments. We bring you some of the latest thinking...
Women tend to suffer their first heart attack 10 years older than men. Yet, partly because the women are older, those heart attacks are more often fatal. This is a postmenopausal phenomenon, a trade-off for years of protection from estrogen. Staying bathed in the hormone keeps blood vessels elastic and free of hardened-plaque formations. Estrogen also instructs the liver to churn out more HDL, or good cholesterol, which pulls plaque away from artery walls...